Usefulness of retrograde urethrography in diagnosing strictures of the anterior urethra.
D003287:Contrast Media; D006801:Humans; D008297:Male; D008722:Methods; D011300:Preoperative Care; D011859:Radiography; D014521:Urethra / Q000000981:diagnostic imaging*; D014525:Urethral Stricture / Q000175:diagnosis / Q000000981:diagnostic imaging*
D003287:Contrast Media